User manual

MA3110-en-GB_V1.0 12/16
6
Operation
NOTES: Read and understand all Warning and Caution statements in this operation manual
prior to using this meter.
Meter Power
The meter is powered by two (2) 1.5V ‘AAA’ batteries. The battery compartment is located on the
back of the meter. Press the Power button to switch the device ON or OFF.
Low battery indication
When the low battery icon appears ( ) the batteries should be replaced immediately,
although in-specification measurements can still be made temporarily. When the low battery
icon begins blinking, in-specification measurements are no longer supported and batteries must
be replaced before further measurements can be made. Refer to the battery replacement
procedure in the maintenance section.
Automatic Power OFF
The meter switches OFF automatically after a 15-minute period of inactivity. To disable the Auto
Power OFF feature:
 With the meter power OFF, press and hold the Mode (M) button while powering the
meter ON.
 The APO feature is now disabled and the meter will not shut off automatically.
 Note that the next time the meter is powered up, the Auto Power OFF function will be
enabled again and the user will have to repeat the Auto Power OFF disable instructions
to disable this function when desired.
Data Hold
Press the H (HOLD) button with the meter ON to freeze the displayed reading. The H icon will
appear along with the held reading. Press the H (HOLD) button again to release the HOLD feature.
The H icon will switch OFF and the meter will show real time readings.